Across
1
Region surrounding the North Pole
4
Distance north or south of equator
7
Largest ocean on Earth
8
Large slow-moving mass of ice
10
Half of the Earth
11
Distance east or west of prime meridian
Down
2
Narrow sea inlet between cliffs
3
Flat elevated area of land
5
Long-term weather patterns of an area
6
Low area between mountains
9
Large natural elevation of earth
12
Wearing away of land by water or wind